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gb

 
Noun gb has 4 senses
  1. sarin, GB - a highly toxic chemical nerve agent that inhibits the activity of cholinesterase
    --1 is a kind of organophosphate nerve agent
  2. gilbert, Gb, Gi - a unit of magnetomotive force equal to 0.7958 ampere-turns
    --2 is a kind of magnetomotive force unit
  3. gigabyte, G, GB - a unit of information equal to one billion (1,073,741,824) bytes or 1024 megabytes
    --3 is a kind of computer memory unit
    --3 is a part of terabyte, T, TB
    --3 has parts: megabyte, MB
  4. United Kingdom, UK, Great Britain, GB, Britain, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland
    --4 is a kind of kingdom
    --4 is a part of British Isles
    --4 is a member of
     European Union, EU, European Community, EC, European Economic Community, EEC, Common Market, Europe; North Atlantic Treaty Organization, NATO
    --4 has parts:
     England; Northern Ireland; Scotland; Wales, Cymru, Cambria
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